140944 has 20 divisors (see below), whose sum is σ = 285696. Its totient is φ = 67232.

The previous prime is 140939. The next prime is 140977. The reversal of 140944 is 449041.

140944 = 67² + 68² + ... + 89².

It is a happy number.

It is a super-2 number, since 2×140944² = 39730422272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177 + ... + 559.

2¹⁴⁰⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142848).

140944 is an abundant number, since it is smaller than the sum of its proper divisors (144752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140944 is a wasteful number, since it uses less digits than its factorization.

140944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 140944 is about 375.4250923953. The cubic root of 140944 is about 52.0413871693.

Adding to 140944 its reverse (449041), we get a palindrome (589985).

The spelling of 140944 in words is "one hundred forty thousand, nine hundred forty-four".